.a1:link {
    color: #000000;
    text-decoration: none;
}

.a1:visited {
    color: #000000;
    text-decoration: none;
}

.a1:hover {
    color: #0d91ff;
    text-decoration: none;
    position:absolute;
}

.a1:active {
    color: #ff6666;
    text-decoration: none;
}